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2002 GMC Sierra 1500 SL 4.8L Misfire, MIL Lamp on
Posted to GM Driveability on 8/3/2016 12 Replies

Thanks for the help in [...] came in for Flashing SES light. Scanned and found I can watch vehicle misfire on #1 and #[...] plugs,wires,coils & [...]'t change [...] injectors and checked for vacuum leaks...none [...] compression....all cylinders are between 13...

12 Replies Received (View Replies)

  Related Documents & Media  2002 GMC Sierra 1500 SL

 
Message Closed w/Summary

car Vehicle Data

2002 GMC Sierra 1500 SL

VIN 2GTEC19V12
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0301Cylinder 1 Misfire Detected
P0308Cylinder 8 Misfire Detected
Message Closed w/Summary

car Vehicle Data

2002 GMC Sierra 1500 SL

VIN 2GTEC19V12
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0301Cylinder 1 Misfire Detected
P0308Cylinder 8 Misfire Detected